Welcome to Fixya! You will get a Lot of Codes on here But, #1 Most of them will not Work and #2 If you try 3 Times Unsuccecfully you will be Locked out. The Dealership IS the Best place to get this Code for the Stereo to Operate again. Please Rate My Response! Thanks!

Go to the dealer with your title, registration, and photo ID and they can look it up based on the VIN number of your car. They may charge you up to an hour's labor so be prepared and make sure they write down the code so you don't have to pay again if you need it in the future.

Go to the dealer with your title, registration, and photo ID and they can look it up based on the VIN number of your car. They may charge you up to an hour's labor so be prepared and make sure they write down the code so you don't have to pay again if you need it in the future.

The original selling dealer will have the number, your local dealer should be able to pull up the information based on your serial number as to who the selling dealer was. your original selling deale will help you free of charge. Once you have the number it's easy to code.Thanks for using FixYa.The original selling dealer will have the number, your local dealer should be able to pull up the information based on your serial number as to who the selling dealer was. your original selling deale will help you free of charge. Once you have the number it's easy to code.Thanks for using FixYa.

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Related Questions:

Unfortunately you EITHER must take the car to the dealer and have them re-enable your radio at a cost.

OR

Pull the radio a small ways out and write down the serial numbers. Also write down the VIN number of your car then call the vehicle manufacturer and they can give you the unlock code.

NOTE: You may wish to call the auto dealer first to ensure they are willing to do this to save yourself the hassle. This must also be a factory installed radio, the original. If this is an aftermarket radio please take the car to the place you purchased the radio and they can unlock it.

Please check your manual that came along with the car as the codes are written in by the dealer.
if not check with your Opel service quoting your number for the code.
Since the battery was removed it has gone to this safe mode.

From what I have been told, you would need to reset the unit. With a reset, basically disconnecting the battery cable you would need a four digit code. It was one that came with the car or the radio. It will put it into safe mode as if the radio was stolen. Once it is in safe mode you would then need to punch in the 4 digit code. That will reset the unit and allow the radio to begin working. If you do not have the 4 digit code you would then need to take it to a dealer and have them reset the code. I was told it would only be about $25 at almost any dealer.

I had same problem with my one and i must have been driving around for days like it and one day it just decided to work

You may find that if you disconnect the battery for couple mins then put it all back together it will work

If not matey then you probley have a faulty headunit

so this is what i suggest to do

Number 1Disconnect Battery for say 5 mins then connect it all up and see what happens if not you most prob do have a faulty headunit. you can take it to your local car audio shop and they will either repair it or decode it for you